Henderson, known as Jackie O to Kiis 1065 breakfast show listeners, stormed out early yesterday after a juvenile spat with Sandilands over the number of sick days he has taken.

This morning she revealed that she left personal items behind, including her car keys, when the fight erupted, forcing her to search for a taxi in the early hours.

"The worst part about it was obviously in the heat of things ... I was then out the front of the building and it’s dark still, there’s nobody around and I had left my phone and my car keys in the studio," Henderson told listeners. "They were on my desk. It took me an hour and a half finally to get a cab."

In the closest he got to an apology, Sandilands responded: "I feel bad now for you."

Listeners and critics are divided about whether the fight between the pair was manufactured to spark interest in the show, which has drifted in the ratings recently after a stellar start to the year.

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However, insiders insist Henderson wasn’t play acting and that she has become frustrated with Sandilands erratic behaviour, which recently included vomiting live on air.

"Kyle and I we have worked together for 14 years now," a calm sounding Henderson told listeners. "I think we have probably had ... maybe three fights and that was the third one.

"Kyle and I, our stand-offs don’t happen for very long. We get over it quick."

Duncan Campbell, content director for Kiis owners ARN, insisted the bust-up was genuine and not a planned stunt.

"The show is 100pc authentic and that was a real reaction yesterday," he said. "That’s what audiences expect from Kyle and Jac. Both Kyle and Jackie O put their whole lives on air. There’s not much that is left unsaid.

"It’s very similar to a marriage or a brother and sister having a tiff. These things happen."

Campbell confirmed that he helped broker a peace deal between the pair after the show.

"We got them together fairly quickly and were able to clear the air," he said.

While declining to go into detail he also confirmed that Sandilands has some ongoing health problems.

"He hasn’t been 100 per cent himself,” he said. "He’s dealing with that with his doctors. There’s obviously a huge desire for him to come in to the show every morning but obviously if he is too sick to come in then he can’t."

Jackie waited for an hour & 1/2 for a cab yesterday! Chatting that little moment on air! #NOW#KJSHOW

Yesterday, when Henderson accused Sandilands of taking too many sick days, he responded: "If you vomited in the car I don’t think you’d come to work either."

"You’re always sick on a Friday," she countered. "I’m putting it out there. It leaves me high and dry on the air."

"You’re very rude," retorted Sandilands, before saying: "I just don’t care what you think."

Shortly afterwards, Henderson left the studio, leaving Sandilands to finish the show alone.

"In the spirit of transparency I’d like everyone to know that during the news Jackie and I have had an argument and Jackie’s left," Sandilands told listeners. "Not going to go into why, how, when, who said what, what happened ... she’s not here."

Sandilands and Henderson jumped ship from 2Day FM at the beginning of the year, but their stunning start to the ratings on Kiis FM did not last. Their breakfast show has been steadily shedding listeners over the past two surveys.